286 lines
11 KiB
TypeScript
286 lines
11 KiB
TypeScript
"use client"
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import { BASE_BEARING, BASE_PITCH, BASE_ZOOM } from "@/app/_utils/const/map"
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import { createFillColorExpression, getFillOpacity, processDistrictFeature } from "@/app/_utils/map"
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import type { IDistrictLayerProps } from "@/app/_utils/types/map"
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import { useEffect } from "react"
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export default function DistrictFillLineLayer({
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visible = true,
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map,
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onClick,
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onDistrictClick, // Add the new prop
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year,
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month,
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filterCategory = "all",
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crimes = [],
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tilesetId,
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focusedDistrictId,
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setFocusedDistrictId,
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crimeDataByDistrict,
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showFill = true,
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activeControl,
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}: IDistrictLayerProps & { onDistrictClick?: (district: any) => void }) {
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// Extend the type inline
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useEffect(() => {
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if (!map || !visible) return
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const handleDistrictClick = (e: any) => {
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// Only include layers that exist in the map style
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const possibleLayers = [
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"unclustered-point",
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"clusters",
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"crime-points",
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"units-points",
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"incidents-points",
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"timeline-markers",
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"recent-incidents",
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]
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const availableLayers = possibleLayers.filter(layer => map.getLayer(layer))
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const incidentFeatures = map.queryRenderedFeatures(e.point, {
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layers: availableLayers,
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})
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if (incidentFeatures && incidentFeatures.length > 0) {
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// Click was on a marker or cluster, so don't process it as a district click
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return
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}
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if (!map || !e.features || e.features.length === 0) return
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const feature = e.features[0]
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const districtId = feature.properties.kode_kec
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// If clicking the same district, deselect it
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if (focusedDistrictId === districtId) {
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// Add null check for setFocusedDistrictId
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if (setFocusedDistrictId) {
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setFocusedDistrictId(null)
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}
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// Reset pitch and bearing with animation
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map.easeTo({
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zoom: BASE_ZOOM,
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pitch: BASE_PITCH,
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bearing: BASE_BEARING,
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duration: 1500,
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easing: (t) => t * (2 - t), // easeOutQuad
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})
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// Restore fill color for all districts when unfocusing
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const fillColorExpression = createFillColorExpression(null, crimeDataByDistrict)
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map.setPaintProperty("district-fill", "fill-color", fillColorExpression as any)
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// Show all clusters again when unfocusing
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if (map.getLayer("clusters")) {
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map.setLayoutProperty("clusters", "visibility", "visible")
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}
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if (map.getLayer("unclustered-point")) {
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map.setLayoutProperty("unclustered-point", "visibility", "visible")
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}
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return
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} else if (focusedDistrictId) {
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// If we're already focusing on a district and clicking a different one,
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// we need to reset the current one and move to the new one
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if (setFocusedDistrictId) {
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setFocusedDistrictId(null)
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}
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// Wait a moment before selecting the new district to ensure clean transitions
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// setTimeout(() => {
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// const district = processDistrictFeature(feature, e, districtId, crimeDataByDistrict, crimes, year, month)
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// if (!district || !setFocusedDistrictId) return
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// setFocusedDistrictId(district.id)
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// // Fly to the new district
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// map.flyTo({
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// center: [district.longitude, district.latitude],
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// zoom: 12.5,
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// pitch: 75,
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// bearing: 0,
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// duration: 1500,
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// easing: (t) => t * (2 - t), // easeOutQuad
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// })
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// // Use onDistrictClick if available, otherwise fall back to onClick
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// if (onDistrictClick) {
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// onDistrictClick(district)
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// } else if (onClick) {
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// onClick(district)
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// }
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// }, 100)
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return
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}
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const district = processDistrictFeature(feature, e, districtId, crimeDataByDistrict, crimes, year, month)
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if (!district) return
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// Set the fill color expression immediately to show the focus
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const focusedFillColorExpression = createFillColorExpression(district.id, crimeDataByDistrict)
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map.setPaintProperty("district-fill", "fill-color", focusedFillColorExpression as any)
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// Add null check for setFocusedDistrictId
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if (setFocusedDistrictId) {
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setFocusedDistrictId(district.id)
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}
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// Hide clusters when focusing on a district
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if (map.getLayer("clusters")) {
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map.setLayoutProperty("clusters", "visibility", "none")
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}
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if (map.getLayer("unclustered-point")) {
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map.setLayoutProperty("unclustered-point", "visibility", "none")
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}
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// Animate to a pitched view focused on the district
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map.flyTo({
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center: [district.longitude, district.latitude],
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zoom: 12.5,
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pitch: 75,
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bearing: 0,
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duration: 1500,
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easing: (t) => t * (2 - t), // easeOutQuad
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})
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// Use onDistrictClick if available, otherwise fall back to onClick
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if (onDistrictClick) {
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onDistrictClick(district)
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} else if (onClick) {
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onClick(district)
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}
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}
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const onStyleLoad = () => {
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if (!map) return
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try {
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if (!map.getSource("districts")) {
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const layers = map.getStyle().layers
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let firstSymbolId: string | undefined
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for (const layer of layers) {
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if (layer.type === "symbol") {
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firstSymbolId = layer.id
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break
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}
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}
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map.addSource("districts", {
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type: "vector",
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url: `mapbox://${tilesetId}`,
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})
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const fillColorExpression = createFillColorExpression(focusedDistrictId, crimeDataByDistrict)
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// Determine fill opacity based on active control
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const fillOpacity = getFillOpacity(activeControl, showFill)
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if (!map.getLayer("district-fill")) {
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map.addLayer(
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{
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id: "district-fill",
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type: "fill",
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source: "districts",
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"source-layer": "Districts",
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paint: {
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"fill-color": fillColorExpression as any,
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"fill-opacity": fillOpacity,
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},
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},
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firstSymbolId,
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)
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}
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if (!map.getLayer("district-line")) {
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map.addLayer(
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{
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id: "district-line",
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type: "line",
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source: "districts",
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"source-layer": "Districts",
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paint: {
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"line-color": "#ffffff",
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"line-width": 1,
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"line-opacity": 0.5,
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},
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},
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firstSymbolId,
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)
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}
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map.on("mouseenter", "district-fill", () => {
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map.getCanvas().style.cursor = "pointer"
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})
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map.on("mouseleave", "district-fill", () => {
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map.getCanvas().style.cursor = ""
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})
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map.off("click", "district-fill", handleDistrictClick)
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map.on("click", "district-fill", handleDistrictClick)
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} else {
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if (map.getLayer("district-fill")) {
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const fillColorExpression = createFillColorExpression(focusedDistrictId, crimeDataByDistrict)
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map.setPaintProperty("district-fill", "fill-color", fillColorExpression as any)
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// Update fill opacity when active control changes
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const fillOpacity = getFillOpacity(activeControl, showFill)
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map.setPaintProperty("district-fill", "fill-opacity", fillOpacity)
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}
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}
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} catch (error) {
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console.error("Error adding district layers:", error)
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}
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}
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if (map.isStyleLoaded()) {
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onStyleLoad()
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} else {
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map.once("style.load", onStyleLoad)
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}
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return () => {
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if (map) {
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map.off("click", "district-fill", handleDistrictClick)
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}
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}
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}, [
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map,
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visible,
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tilesetId,
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crimes,
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filterCategory,
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year,
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month,
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focusedDistrictId,
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crimeDataByDistrict,
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onClick,
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onDistrictClick, // Add to dependency array
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setFocusedDistrictId,
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showFill,
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activeControl,
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])
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// Add an effect to update the fill color and opacity whenever relevant props change
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useEffect(() => {
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if (!map || !map.getLayer("district-fill")) return
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try {
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const fillColorExpression = createFillColorExpression(focusedDistrictId, crimeDataByDistrict)
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map.setPaintProperty("district-fill", "fill-color", fillColorExpression as any)
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// Update fill opacity when active control changes
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const fillOpacity = getFillOpacity(activeControl, showFill)
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map.setPaintProperty("district-fill", "fill-opacity", fillOpacity)
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} catch (error) {
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console.error("Error updating district fill colors or opacity:", error)
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}
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}, [map, focusedDistrictId, crimeDataByDistrict, activeControl, showFill])
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return null
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}
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